The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2014
Filed:
Feb. 21, 2013
Tdk Corporation, Chuo-ku, JP;
Toshihiro Iguchi, Chuo-ku, JP;
Akitoshi Yoshii, Chuo-ku, JP;
Tatsuya Kojima, Chuo-ku, JP;
Satoshi Takagi, Chuo-ku, JP;
TDK Corporation, Tokyo, JP;
Abstract
Dielectric ceramic composition comprising a compound shown by a general formula {A(RE)}-BOand has a tungsten bronze-type structure. In the formula, 'A' is at least one selected from a group comprising Ba, Ca, Sr and Mg, 'B' is at least one selected from Nb and Ta, “RE” is at least one selected from Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, and said “x” and “y” satisfies 0<x<1 and y<1.000, respectively. The dielectric ceramic composition further comprises an oxide of at least one selected from V, Mo, Fe, W, Mn and Cr.